McqMate
| Q. |
Which of the following is an unconventional process of machining? |
| A. | milling |
| B. | usm |
| C. | drilling |
| D. | none of the mentioned |
| Answer» B. usm | |
| Explanation: usm stands for ultrasonic machining process and it is an unconventional process of machining. | |
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